The stepping on bridge and the concatenated structure of the base in the steel trestle

摘要

Topic Assuming, that there was a stepping on bridge and the damage of the welding part of the base, with the use of iteration you step on with the pin and the Interpolation through-hole at the same time stable, the stepping on bridge there are no times when the bridge falls off from the base, be able to lock strongly, you step on and load to the bridge you reach the point where it is applied to also the pin, are superior in endurance, it is configuration simple and being easy to handle, maintenance easy, it is suited for mass production, it is inexpensive and the economic stepping on bridge and concatenated structure of the base are offered.SolutionsRegarding to the steel trestle which between left and right base 2 concatenates multiple stepping on bridges 1 with welding means, base being concatenated structure of 2 and stepping on bridge 1, you step on and weld the pin 10 of abbreviation L letter condition in back specified position of bridge 1, the Tip part of pin 10 the Interpolation Perforating in specified position of base 2 facilities to do the Interpolation through-hole 11 who is possible, the Tip part of pin 10 when the Interpolation it passes in Interpolation through-hole and 11, steps on welds bridge 1 in base and 2 constitutes. Choice figure Drawing 3